package cn.edu.scau.cmi.liujianxun.composite.transparent;

import java.util.ArrayList;
import java.util.HashSet;

public abstract class Component {
	
	public abstract String operation();
	
	public abstract String getName();

	public abstract boolean add(Component c);
	
	public abstract boolean remove(Component c);
	
	public abstract HashSet<Component> getSet();
}
